As a patriotic person who grew up under the Five-Star Red flag, Xu Nian followed the call and actively participated in the scientific and technological research and development of the motherland, making numerous contributions to the country's science and technology. However, as he was approaching his thirtieth year, he never harvested his feelings. Appointed by the organization, Xu Nian participated in a "secret operation" that was kept secret by many parties. Here, he met that person and started an extraordinary life.
Purpose: Various private settings, sour and sweet, cultivating the spirit of reunion after breaking the mirror.